jquery-mobile/css/jQuery.mobile.forms.fieldcontain.css

/*
* jQuery Mobile Framework
* Copyright (c) jQuery Project
* Dual licensed under the MIT (MIT-LICENSE.txt) or GPL (GPL-LICENSE.txt) licenses.
*/
.ui-field-contain { background: none; padding: 1.5em 0; margin: 0; border-left-width: 0; border-right-width: 0; border-bottom-width: 0; }
.ui-field-contain:first-child { border-top-width: 0; }
@media screen and (max-width: 480px){ 
	.ui-field-contain { border-width: 0; padding: 0; margin: 1em 0; }
}